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Finding the Fourth Proportional to 1,314,829.80, 1,972,441.80 and 556,669.80

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Solution

The fourth proportional to 1,314,829.80, 1,972,441.80 and 556,669.80 is: 835,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,829.80 : 1,972,441.80 = 556,669.80 : x
  2. Step 2: Convert to fraction form
    1,314,829.80/1,972,441.80 = 556,669.80/x
  3. Step 3: Cross multiply
    1,314,829.80x = 1,972,441.80 × 556,669.80
  4. Step 4: Simplify right side
    1,314,829.80x = 1,097,998,782,317.64
  5. Step 5: Solve for x
    x = 1,097,998,782,317.64/1,314,829.80
  6. Step 6: Final answer
    x = 835,088.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.